Question 1a personal sampling pump is used to sample air at

Reference no: EM13348391

QUESTION 1

A personal sampling pump is used to sample air at 25 °C and 1 atm for 60 min at a flow rate of 1.00 L/min. The analytical lab reports 0.188 mg of allyl chloride in the sample. The molecular weight is stated to be 76.5g/mol in the MSDS

(a) In addition to the pump, what other components are needed in a sampling train?

(b) What is the requirement before the use of the sampling pump? Give three ways how it can be achieved

(d) Provide five categories of data that would typically be listed in the MSDS for Allyl Chloride

QUESTION 2

There are many materials used in the workplace that can be hazardous. Suppose a spill of 5ml vial of benzene occurred in a 400 m3 laboratory and this was reported to you

Assumptions:

- Room sealed

- All the benzene evaporates

- Laboratory has well mixed air

Data:

- PEL for Benzene = 1ppm (eight-hour TWA)

- 15 minutes Ceiling Value = 10ppm

- Density of benzene = 0.8g/ml

- MW of benzene = 78mg/mmol

(a) Define the terms PEL and Eight-hour TWA

(b) How would you respond to the benzene spill in the laboratory?

QUESTION 3

During an occupational hygiene assessment/survey, you identify a risk to health

Describe briefly what control measures you need to consider and implement specifying clearly your order of desirability

Reference no: EM13348391

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